When NASA’s Nancy Grace Roman Space Telescope launches, as early as the end of next month, it will attempt one of astronomy’s most precise disappearing acts to date. The telescope will carry the first space-bound “active” coronagraph, an instrument that effectively erases most of the light from ...

Source: [MIT Tech Review](https://www.technologyreview.com/2026/07/22/1140701/shape-shifting-mirrors-roman-space-telescope/)

Sponsored